Add SPDX license tags to templates

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modules/database/src/template/top/exampleApp/Db/dbSubExample.db

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2002 Argonne National Laboratory
+#
+# SPDX-License-Identifier: EPICS
+
 record(sub,"$(user):subExample")
 {
     field(INAM,"mySubInit")